60 lines
1.4 KiB
Go
60 lines
1.4 KiB
Go
/*
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* Copyright (c) 2024 The GoPlus Authors (goplus.org). All rights reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package syscall
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import (
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"unsafe"
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"github.com/goplus/llgo/c"
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"github.com/goplus/llgo/internal/lib/errors"
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)
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var (
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Stdin = 0
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Stdout = 1
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Stderr = 2
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)
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type Errno uintptr
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func (e Errno) Error() string {
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ret := c.Strerror(c.Int(e))
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return unsafe.String((*byte)(unsafe.Pointer(ret)), c.Strlen(ret))
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}
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func (e Errno) Is(target error) bool {
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switch target {
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case ErrPermission:
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return e == EACCES || e == EPERM
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case ErrExist:
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return e == EEXIST || e == ENOTEMPTY
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case ErrNotExist:
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return e == ENOENT
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case errors.ErrUnsupported:
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return e == ENOSYS || e == ENOTSUP || e == EOPNOTSUPP
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}
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return false
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}
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func (e Errno) Temporary() bool {
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return e == EINTR || e == EMFILE || e == ENFILE || e.Timeout()
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}
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func (e Errno) Timeout() bool {
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return e == EAGAIN || e == EWOULDBLOCK || e == ETIMEDOUT
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}
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